The bird pattern copper ruler is inspired by the cultural relic of Henan Museum-"Portuguese" goose-shaped copper ring. The long bird pattern on the copper ring is extracted. The shape is classical and elegant. The color of the copper ruler is extracted from traditional Chinese colors. The whole is poetic and exudes the beauty of traditional Chinese culture. The bird pattern copper ruler combines the shape of Chinese patterns and the beauty of Chinese colors, expressing the unique emotional expression of the Chinese people, as well as the oriental aesthetics that has been passed down for thousands of years, and exudes unique ancient wisdom.